A queen can make it from front to back, iff a rook can’t make it from left to right only on the removed pieces.
An ombudsman can make it from front to back iff an ombudsman can’t make it from left to right only on removed pieces.
So Q1 is 1, Q2 is 0.5.
A queen can make it from front to back, iff a rook can’t make it from left to right only on the removed pieces.
An ombudsman can make it from front to back iff an ombudsman can’t make it from left to right only on removed pieces.
So Q1 is 1, Q2 is 0.5.